title: Posterior perforation of peptic ulcers: presentation and outcome of an uncommon surgical emergency.
mesh_terms: D000328:Adult; D000368:Aged; D000369:Aged, 80 and over; D013505:Digestive System Surgical Procedures / Q000379:methods*; D006801:Humans; D008875:Middle Aged; D010439:Peptic Ulcer Perforation / Q000175:diagnosis* / Q000601:surgery*; D012189:Retrospective Studies; D016896:Treatment Outcome